Having recently lost her husband, who was almost old enough to be her father, she lives alone in the house he left behind. The neighbors gossip about her, saying she is a woman who is looking for a second wife in order to get her hands on his fortune. One day, her husband's twin brother suddenly shows up at the house. He has a personality that is the polar opposite of her husband's, and has even been involved in shady work. From that day on, she begins a strange life of cohabitation with Makoto...